Method and system for having intelligent control over granary ventilation system

Abstract

The embodiment of the invention provides a method and system for having intelligent control over a granary ventilation system. The method comprises the steps that sensor detection modules acquire temperature and humidity data inside and outside ventilation windows, ventilation control modules send the temperature and humidity data inside and outside the ventilation windows to a mobile terminal through a wireless communication network, a master control server judges whether one ventilation window needs to be opened to carry out ventilation operation or not according to the average temperature and the average humidity, which are calculated by the mobile terminal, inside and outside the ventilation window on the basis of a set ventilation control strategy, and if yes, a ventilation instruction is sent to the ventilation control module corresponding to the ventilation window. According to the method and system for having intelligent control over the granary ventilation system, the information of the temperature and humidity inside and outside a granary and the status information of ventilation portions can be acquired in real time, and the ventilation portions can be automatically opened and closed in a wireless communication mode through the master control server and the mobile terminal so that automatic ventilation operation can be carried out.

Description

technical field [0001] The invention relates to the technical field of automatic control, in particular to a method and system for intelligently controlling the ventilation system of a grain depot. Background technique [0002] As an important strategic material of the country, grain reserves have assumed important responsibilities in maintaining the grain market and social stability, protecting the interests of farmers, and ensuring national security. In recent years, with the increase of the country's investment in the construction of grain depots, the grain storage environment of the grain depots has been significantly improved, coupled with the application of some new technologies, the rodents and pests in the grain depots have been effectively controlled, but preventing grain The mildew problem has not been well resolved. After long-term exploration and practice, it has been proved that as long as the temperature and humidity in the granary are effectively controlled, ...

AI Technical Summary

Problems solved by technology

In recent years, with the increase of the country's investment in the construction of grain depots, the grain storage environment of the grain depots has been significantly improved, coupled with the application of some new technologies, the rodents and pests in the grain depots have been effectively controlled, but preventing grain The mildew problem has not been solved well

[0003] At present, a schematic diagram of the functional structure of a grain depot ventilation system in the prior art is as follows: figure 1 As shown, the ventilation of grain depots mostly uses skylight vents, which are opened manually to achieve ventilation. Although this method can meet certain ventilation requirements, it has many shortcomings. For example, a standard grain depot has more than 20 vents, When opening and closing the vents, the management personnel are labor-intensive and time-consuming, and it is difficult to respond quickly when the climate changes suddenly. The judgment of the external weather is done manually, and the reliability is low.

At present, the traditional ventilation window opening methods are: indoor opening type, after the grain storage in the warehouse is full, the ventilation window is opened by stepping on the grain, which brings the disadvantage of high strength, and it can only be realized after the grain storage is full; outdoor opening type, In order to solve the shortcoming that the ventilation must be done after the grain storage is full, the ventilation window is opened from the outside through the linkage mechanism. This method is still labor-intensive for the management personnel. At present, most grain depots still use this method; the electric drive type, this method This method mainly uses electric motors to replace labor, which reduces the operating intensity of managers, but it still requires managers to go to the positions of each ventilation window to realize the operation. The work is cumbersome and the efficiency is low. At present, some grain depots use this method to achieve ventilation.

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